

public class Student {
    public int id;
    public int grade;
    public int score;


    public Student(int id,int grade,int score){
        this.id=id;
        this.grade=grade;
        this.score=score;
    }
    public Student(){

    }
    public void yes(){
        System.out.println("ID为"+this.id+"班级为"+this.grade+"成绩为"+this.score);
    }
}
